Helicopter Sikorsky CH-53D Sea Stallion Serial 65-307 Register 157731 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157731 US Marine Corps Sikorsky S-65C, c/n 65-307, ff:? del USMC as CH-53D 157731, unk 1981-09-17w/o 17sep81 with HMM-263 HMM-263 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
